[ARM] pxa: move platform devices to separate header file
[linux-2.6.git] / arch / arm / mach-pxa / idp.c
1 /*
2  *  linux/arch/arm/mach-pxa/idp.c
3  *
4  *  This program is free software; you can redistribute it and/or modify
5  *  it under the terms of the GNU General Public License version 2 as
6  *  published by the Free Software Foundation.
7  *
8  *  Copyright (c) 2001 Cliff Brake, Accelent Systems Inc.
9  *
10  *  2001-09-13: Cliff Brake <cbrake@accelent.com>
11  *              Initial code
12  *
13  *  2005-02-15: Cliff Brake <cliff.brake@gmail.com>
14  *              <http://www.vibren.com> <http://bec-systems.com>
15  *              Updated for 2.6 kernel
16  *
17  */
18
19 #include <linux/init.h>
20 #include <linux/interrupt.h>
21 #include <linux/irq.h>
22 #include <linux/platform_device.h>
23 #include <linux/fb.h>
24
25 #include <asm/setup.h>
26 #include <asm/memory.h>
27 #include <asm/mach-types.h>
28 #include <asm/hardware.h>
29 #include <asm/irq.h>
30
31 #include <asm/mach/arch.h>
32 #include <asm/mach/map.h>
33
34 #include <asm/arch/pxa-regs.h>
35 #include <asm/arch/idp.h>
36 #include <asm/arch/pxafb.h>
37 #include <asm/arch/bitfield.h>
38 #include <asm/arch/mmc.h>
39
40 #include "generic.h"
41 #include "devices.h"
42
43 /* TODO:
44  * - add pxa2xx_audio_ops_t device structure
45  * - Ethernet interrupt
46  */
47
48 static struct resource smc91x_resources[] = {
49         [0] = {
50                 .start  = (IDP_ETH_PHYS + 0x300),
51                 .end    = (IDP_ETH_PHYS + 0xfffff),
52                 .flags  = IORESOURCE_MEM,
53         },
54         [1] = {
55                 .start  = IRQ_GPIO(4),
56                 .end    = IRQ_GPIO(4),
57                 .flags  = IORESOURCE_IRQ,
58         }
59 };
60
61 static struct platform_device smc91x_device = {
62         .name           = "smc91x",
63         .id             = 0,
64         .num_resources  = ARRAY_SIZE(smc91x_resources),
65         .resource       = smc91x_resources,
66 };
67
68 static void idp_backlight_power(int on)
69 {
70         if (on) {
71                 IDP_CPLD_LCD |= (1<<1);
72         } else {
73                 IDP_CPLD_LCD &= ~(1<<1);
74         }
75 }
76
77 static void idp_vlcd(int on)
78 {
79         if (on) {
80                 IDP_CPLD_LCD |= (1<<2);
81         } else {
82                 IDP_CPLD_LCD &= ~(1<<2);
83         }
84 }
85
86 static void idp_lcd_power(int on, struct fb_var_screeninfo *var)
87 {
88         if (on) {
89                 IDP_CPLD_LCD |= (1<<0);
90         } else {
91                 IDP_CPLD_LCD &= ~(1<<0);
92         }
93
94         /* call idp_vlcd for now as core driver does not support
95          * both power and vlcd hooks.  Note, this is not technically
96          * the correct sequence, but seems to work.  Disclaimer:
97          * this may eventually damage the display.
98          */
99
100         idp_vlcd(on);
101 }
102
103 static struct pxafb_mode_info sharp_lm8v31_mode = {
104         .pixclock       = 270000,
105         .xres           = 640,
106         .yres           = 480,
107         .bpp            = 16,
108         .hsync_len      = 1,
109         .left_margin    = 3,
110         .right_margin   = 3,
111         .vsync_len      = 1,
112         .upper_margin   = 0,
113         .lower_margin   = 0,
114         .sync           = FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT,
115         .cmap_greyscale = 0,
116 };
117
118 static struct pxafb_mach_info sharp_lm8v31 = {
119         .modes          = &sharp_lm8v31_mode,
120         .num_modes      = 1,
121         .cmap_inverse   = 0,
122         .cmap_static    = 0,
123         .lccr0          = LCCR0_SDS,
124         .lccr3          = LCCR3_PCP | LCCR3_Acb(255),
125         .pxafb_backlight_power = &idp_backlight_power,
126         .pxafb_lcd_power = &idp_lcd_power
127 };
128
129 static int idp_mci_init(struct device *dev, irq_handler_t idp_detect_int, void *data)
130 {
131         /* setup GPIO for PXA25x MMC controller */
132         pxa_gpio_mode(GPIO6_MMCCLK_MD);
133         pxa_gpio_mode(GPIO8_MMCCS0_MD);
134
135         return 0;
136 }
137
138 static struct pxamci_platform_data idp_mci_platform_data = {
139         .ocr_mask       = MMC_VDD_32_33|MMC_VDD_33_34,
140         .init           = idp_mci_init,
141 };
142
143 static void __init idp_init(void)
144 {
145         printk("idp_init()\n");
146
147         platform_device_register(&smc91x_device);
148         //platform_device_register(&mst_audio_device);
149         set_pxa_fb_info(&sharp_lm8v31);
150         pxa_set_mci_info(&idp_mci_platform_data);
151 }
152
153 static void __init idp_init_irq(void)
154 {
155
156         pxa25x_init_irq();
157
158         set_irq_type(TOUCH_PANEL_IRQ, TOUCH_PANEL_IRQ_EDGE);
159 }
160
161 static struct map_desc idp_io_desc[] __initdata = {
162         {
163                 .virtual        =  IDP_COREVOLT_VIRT,
164                 .pfn            = __phys_to_pfn(IDP_COREVOLT_PHYS),
165                 .length         = IDP_COREVOLT_SIZE,
166                 .type           = MT_DEVICE
167         }, {
168                 .virtual        =  IDP_CPLD_VIRT,
169                 .pfn            = __phys_to_pfn(IDP_CPLD_PHYS),
170                 .length         = IDP_CPLD_SIZE,
171                 .type           = MT_DEVICE
172         }
173 };
174
175 static void __init idp_map_io(void)
176 {
177         pxa_map_io();
178         iotable_init(idp_io_desc, ARRAY_SIZE(idp_io_desc));
179
180         // serial ports 2 & 3
181         pxa_gpio_mode(GPIO42_BTRXD_MD);
182         pxa_gpio_mode(GPIO43_BTTXD_MD);
183         pxa_gpio_mode(GPIO44_BTCTS_MD);
184         pxa_gpio_mode(GPIO45_BTRTS_MD);
185         pxa_gpio_mode(GPIO46_STRXD_MD);
186         pxa_gpio_mode(GPIO47_STTXD_MD);
187
188 }
189
190
191 MACHINE_START(PXA_IDP, "Vibren PXA255 IDP")
192         /* Maintainer: Vibren Technologies */
193         .phys_io        = 0x40000000,
194         .io_pg_offst    = (io_p2v(0x40000000) >> 18) & 0xfffc,
195         .map_io         = idp_map_io,
196         .init_irq       = idp_init_irq,
197         .timer          = &pxa_timer,
198         .init_machine   = idp_init,
199 MACHINE_END